Secretary of State John Kerry spoke to NBC's "Meet the Press" on the heels of talks in Geneva, which failed to produce an agreement over Iran's nuclear program. "We are not blind, and I don't think we're stupid," Kerry told host David Gregory in response to the question of whether the U.S. was being appropriately skeptical about the possible scope of Iran's nuclear intentions. Via NBC:

In the same segment, Gregory also pushed Kerry to comment on his recent remarks, relating to the upcoming anniversary of JFK's assassination, in which he claimed "To this day I have serious doubts that Lee Harvey Oswald acted alone." On Sunday, however, Kerry outright refused to comment further or elaborate on his opinions.

Chris Christie told "Fox News Sunday" that, despite his history of short tempers, he has the right temperament and skills to be president.

Meanwhile, on ABC's "This Week," Texas Gov. Rick Perry jabbed at Christie's conservative credentials and whether he would garner Republican base support outside his state. "Is a conservative in New Jersey a conservative in the rest of the country?" Perry asked.

Appearing on CNN's "State of the Union," Republican Sen. Lindsey Graham was belligerent as ever about his vow to hold up White House appointments until his demands for more answers about the 2012 Benghazi consulate attack are met. He rejected the suggestion that he may have changed tack, given that the "60 Minutes" report on which he based his demands has been proven to have been based on an unsound source. Graham's Benghazi comments come in the below clip around the 7:40 minute mark:

Natasha Lennard

Natasha Lennard is an assistant news editor at Salon, covering non-electoral politics, general news and rabble-rousing. Follow her on Twitter @natashalennard, email nlennard@salon.com.